diff options
Diffstat (limited to 'utils/binary/read.go')
-rw-r--r-- | utils/binary/read.go | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/utils/binary/read.go b/utils/binary/read.go index 50da1ff..12e57c3 100644 --- a/utils/binary/read.go +++ b/utils/binary/read.go @@ -25,6 +25,10 @@ func Read(r io.Reader, data ...interface{}) error { // ReadUntil reads from r untin delim is found func ReadUntil(r io.Reader, delim byte) ([]byte, error) { + if bufr, ok := r.(*bufio.Reader); ok { + return ReadUntilFromBufioReader(bufr, delim) + } + var buf [1]byte value := make([]byte, 0, 16) for { @@ -44,6 +48,17 @@ func ReadUntil(r io.Reader, delim byte) ([]byte, error) { } } +// ReadUntilFromBufioReader is like bufio.ReadBytes but drops the delimiter +// from the result. +func ReadUntilFromBufioReader(r *bufio.Reader, delim byte) ([]byte, error) { + value, err := r.ReadBytes(delim) + if err != nil || len(value) == 0 { + return nil, err + } + + return value[:len(value)-1], nil +} + // ReadVariableWidthInt reads and returns an int in Git VLQ special format: // // Ordinary VLQ has some redundancies, example: the number 358 can be |